If you are using the internal mini-PCIE to M.2 adapter like this one: https://thewirelesshaven.com/shop/pcie-m-2/mini-pci-e/mini-pci-e-to-m-2-ngff-key-b-adapter-with-top-sim-card-slot/
Then you shouldn't need to use it, the traces off of it parallel the ones on the WG3526 board. You may need to ...